64402500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 194537728

約数和(自身を除く): 130135228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 125, 150, 155, 186, 250, 277, 300, 310, 372, 375, 465, 500, 554, 620, 625, 750, 775, 831, 930, 1108, 1250, 1385, 1500, 1550, 1662, 1860, 1875, 2325, 2500, 2770, 3100, 3324, 3750, 3875, 4155, 4650, 5540, 6925, 7500, 7750, 8310, 8587, 9300, 11625, 13850, 15500, 16620, 17174, 19375, 20775, 23250, 25761, 27700, 34348, 34625, 38750, 41550, 42935, 46500, 51522, 58125, 69250, 77500, 83100, 85870, 103044, 103875, 116250, 128805, 138500, 171740, 173125, 207750, 214675, 232500, 257610, 346250, 415500, 429350, 515220, 519375, 644025, 692500, 858700, 1038750, 1073375, 1288050, 2077500, 2146750, 2576100, 3220125, 4293500, 5366875, 6440250, 10733750, 12880500, 16100625, 21467500, 32201250, 64402500]

約数ペア:

[(1, 64402500), (2, 32201250), (3, 21467500), (4, 16100625), (5, 12880500), (6, 10733750), (10, 6440250), (12, 5366875), (15, 4293500), (20, 3220125), (25, 2576100), (30, 2146750), (31, 2077500), (50, 1288050), (60, 1073375), (62, 1038750), (75, 858700), (93, 692500), (100, 644025), (124, 519375), (125, 515220), (150, 429350), (155, 415500), (186, 346250), (250, 257610), (277, 232500), (300, 214675), (310, 207750), (372, 173125), (375, 171740), (465, 138500), (500, 128805), (554, 116250), (620, 103875), (625, 103044), (750, 85870), (775, 83100), (831, 77500), (930, 69250), (1108, 58125), (1250, 51522), (1385, 46500), (1500, 42935), (1550, 41550), (1662, 38750), (1860, 34625), (1875, 34348), (2325, 27700), (2500, 25761), (2770, 23250), (3100, 20775), (3324, 19375), (3750, 17174), (3875, 16620), (4155, 15500), (4650, 13850), (5540, 11625), (6925, 9300), (7500, 8587), (7750, 8310)]